Vulnerability CVE-2020-13263

Vulnerability Name:

CVE-2020-13263 (CCN-183937)

Assigned:

2020-06-19

Published:

2020-06-19

Updated:

2020-07-01

Summary:

An authorization issue relating to project maintainer impersonation was identified in GitLab EE 9.5 and later through 13.0.1 that could allow unauthorized users to impersonate as a maintainer to perform limited actions.

CVSS v3 Severity:

8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-863

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2020-13263

Source: XF
Type: UNKNOWN
gitlab-cve202013263-sec-bypass(183937)

Source: CONFIRM
Type: Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13263.json

Source: CCN
Type: GitLab Web site
Publishing 17 updated advisories and 1 new advisories

Source: MISC
Type: Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/211940

Source: MISC
Type: Permissions Required
https://hackerone.com/reports/819821

Vulnerable Configuration:

Configuration 1:

cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 9.5.0 and < 12.9.8)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 9.5.0 and < 12.9.8)

OR cpe:/a:gitlab:gitlab:*:*:*:*:community:*:*:* (Version >= 12.10.0 and < 12.10.7)

OR cpe:/a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* (Version >= 12.10.0 and < 12.10.7)

OR cpe:/a:gitlab:gitlab:13.0.0:*:*:*:community:*:*:*

OR cpe:/a:gitlab:gitlab:13.0.0:*:*:*:enterprise:*:*:*

Configuration CCN 1:

cpe:/a:gitlab:gitlab:13.0.1:*:*:*:enterprise:*:*:*

OR cpe:/a:gitlab:gitlab:9.5:*:*:*:enterprise:*:*:*

Denotes that component is vulnerable

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